Special mortar for aerated concrete light brick masonry

Abstract

The invention discloses mortar special for aerated concrete light brick masonry, and particularly relates to the technical field of mortar, and the mortar comprises the following components by weight: 500-600kg of gypsum powder; 400 to 450 kg of heavy calcium powder; 100 to 110 kg of washed sand; 100 to 150 kg of glass beads; 1-3 kg of a gypsum retarder; 2.5 to 3 kg of hydroxypropyl methyl cellulose; 1 to 1.5 kg of a thixotropic lubricant; 1 to 2 kg of lignocellulose; 30 to 45 kg of latex powder; 15 to 25 kg of polypropylene fiber; 40 to 60 kg of calcium chloride; 20 to 30 kg of a coagulation accelerator; 10 to 20 kg of fly ash; the latex powder is used for enhancing the cohesive property and cohesive force of the mortar, so that the connecting strength of the mortar and a brick body is improved; the polypropylene fibers are used for being dispersed in mortar to form a fiber net, the crack resistance and toughness of the mortar are improved, and therefore the connecting strength of the mortar and a brick body is improved. The mortar prepared by the invention can be rapidly solidified, and can form high-strength connection with the aerated concrete light brick, so that the practical application effect of the mortar is relatively good.

Description

Technical Field

[0001] The present invention relates to the technical field of mortar, and more specifically, the present invention relates to a special mortar for laying aerated concrete lightweight bricks. Background Art

[0002] Mortar is an adhesive substance used for bricklaying in construction, which is synthesized by adding water to a certain proportion of sand and cementing materials (such as cement, lime paste, clay, etc.). Existing mortars cannot be effectively used in the process of laying aerated concrete lightweight bricks, with insufficient connection strength and slow setting speed, resulting in poor use effects of existing mortars.

[0003] Therefore, there is an urgent need for a special mortar for laying aerated concrete lightweight bricks to solve the above problems. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a special mortar for laying aerated concrete lightweight bricks. The mortar prepared by the present invention can set quickly and at the same time form a high-strength connection with aerated concrete lightweight bricks, making the actual application effect of the present invention better, so as to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: A special mortar for laying aerated concrete lightweight bricks, comprising the following components by weight: Gypsum powder 500 - 600 kg; Heavy calcium powder 400 - 450 kg; Washed sand 100 - 110 kg; Vitrified microspheres 100 - 150 kg; Gypsum retarder 1 - 3 kg; Hydroxypropyl methylcellulose 2.5 - 3 kg; Thixotropic lubricant 1 - 1.5 kg; Wood cellulose 1 - 2 kg; Redispersible polymer powder 30 - 45 kg; Polypropylene fiber 15 - 25 kg; Calcium chloride 40 - 60 kg; Accelerator 20 - 30 kg; Fly ash 10 - 20 kg.

[0006] In a preferred embodiment, the redispersible polymer powder is used to enhance the adhesion and cohesion of the mortar, thereby improving the connection strength with the brick body.

[0007] In a preferred embodiment, the polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body.

[0008] In a preferred embodiment, the calcium chloride accelerates the hydration reaction of the cement, thereby increasing the early strength of the mortar.

[0009] In a preferred embodiment, the coagulant is used to accelerate the setting process of the mortar and shorten the initial setting and final setting times.

[0010] In a preferred embodiment, the fly ash reacts chemically with the cement to generate more hydration products, thereby increasing the strength of the mortar.

[0011] Technical effects and advantages of the present invention: The present invention includes 500 - 600 kg of gypsum powder, 400 - 450 kg of heavy calcium powder, 100 - 110 kg of washed sand, 100 - 150 kg of vitrified microspheres, 1 - 3 kg of gypsum retarder, 2.5 - 3 kg of hydroxypropyl methylcellulose, 1 - 1.5 kg of thixotropic lubricant, 1 - 2 kg of wood cellulose, 30 - 45 kg of latex powder, 15 - 25 kg of polypropylene fiber, 40 - 60 kg of calcium chloride, 20 - 30 kg of coagulant, and 10 - 20 kg of fly ash. The latex powder can enhance the adhesion and cohesion of the mortar, thereby increasing the connection strength with the brick. The polypropylene fiber can be dispersed in the mortar to form a fiber network, increasing the crack resistance and toughness of the mortar, thereby increasing the connection strength with the brick. The calcium chloride accelerates the hydration reaction of the cement, thereby increasing the early strength of the mortar. The coagulant can accelerate the setting process of the mortar and shorten the initial setting and final setting times. The fly ash can react chemically with the cement to generate more hydration products, thereby increasing the strength of the mortar. The mortar prepared by the present invention can set quickly and can form a high-strength connection with aerated concrete lightweight bricks, making the practical application effect of the present invention better. Detailed implementation manners

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0013] Example 1 The present invention provides a special mortar for masonry of aerated concrete lightweight bricks, including the following components by weight: 500 kg of gypsum powder; 400 kg of heavy calcium powder; 100 kg of washed sand; 100 kg of vitrified microspheres; 1 kg of gypsum retarder; Hydroxypropyl methylcellulose 2.5 kg; Thixotropic lubricant 1 kg; Wood cellulose 1 kg; Redispersible polymer powder 30 kg; Polypropylene fiber 15 kg; Calcium chloride 40 kg; Accelerator 20 kg; Fly ash 10 kg.

[0014] The redispersible polymer powder is used to enhance the adhesion and cohesion of the mortar, thereby improving the connection strength with the brick.

[0015] The polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick.

[0016] The calcium chloride accelerates the hydration reaction of the cement, thereby improving the early strength of the mortar.

[0017] The accelerator is used to accelerate the setting process of the mortar and shorten the initial setting and final setting times.

[0018] The fly ash is used to chemically react with the cement to generate more hydration products, thereby improving the strength of the mortar.

[0019] Compared with the prior art, the mortar prepared in this example has a higher connection strength with the aerated concrete lightweight brick, a faster setting speed, and better actual use effects.

[0020] Example 2 The present invention provides a special mortar for laying aerated concrete lightweight bricks, comprising the following components by weight: Gypsum powder 500 - 600 kg; Heavy calcium powder 410 kg; Washed sand 100 kg; Vitrified microspheres 110 kg; Gypsum retarder 1.5 kg; Hydroxypropyl methylcellulose 2.5 kg; Thixotropic lubricant 1.1 kg; Wood cellulose 1.2 kg; Redispersible polymer powder 35 kg; Polypropylene fiber 17.5 kg; Calcium chloride 45 kg; Accelerator 22.5 kg; Fly ash 12.5 kg.

[0021] The latex powder is used to enhance the bonding property and cohesion of the mortar, thereby improving the connection strength with the brick body.

[0022] The polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body.

[0023] The calcium chloride accelerates the hydration reaction of the cement, thereby improving the early strength of the mortar.

[0024] The coagulant is used to accelerate the setting process of the mortar and shorten the initial setting time and final setting time.

[0025] The fly ash is used to chemically react with the cement to generate more hydration products, thereby improving the strength of the mortar.

[0026] Compared with the prior art, the mortar prepared in this embodiment has a higher connection strength with the aerated concrete lightweight brick, a faster setting speed, and better actual use effects.

[0027] Example 3 The present invention provides a special mortar for laying aerated concrete lightweight bricks, comprising the following components by weight: Gypsum powder: 550 kg; Heavy calcium powder: 425 kg; Washed sand: 105 kg; Vitrified microspheres: 120 kg; Gypsum retarder: 2 kg; Hydroxypropyl methylcellulose: 2.75 kg; Thixotropic lubricant: 1.25 kg; Wood cellulose: 1.5 kg; Latex powder: 37.5 kg; Polypropylene fiber: 20 kg; Calcium chloride: 50 kg; M Coagulant: 25 kg; Fly ash: 15 kg.

[0028] The latex powder is used to enhance the bonding property and cohesion of the mortar, thereby improving the connection strength with the brick body.

[0029] The polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body.

[0030] The calcium chloride accelerates the hydration reaction of the cement, thereby improving the early strength of the mortar.

[0031] The coagulant is used to accelerate the setting process of the mortar and shorten the initial setting time and final setting time.

[0032] The fly ash is used to chemically react with cement to generate more hydration products, thereby enhancing the strength of the mortar.

[0033] Compared with the prior art, the mortar prepared in this embodiment has a higher connection strength with aerated concrete lightweight bricks, a faster setting speed, and better actual use effects.

[0034] Example 4 The present invention provides a special mortar for masonry of aerated concrete lightweight bricks, comprising the following components by weight: Gypsum powder: 575 kg; Heavy calcium powder: 440 kg; Washed sand: 110 kg; Vitrified microspheres: 140 kg; Gypsum retarder: 2.5 kg; Hydroxypropyl methylcellulose: 2.75 kg; Thixotropic lubricant: 1.25 kg; Wood cellulose: 1.75 kg; Redispersible latex powder: 40 kg; Polypropylene fiber: 22.5 kg; Calcium chloride: 55 kg; Accelerator: 27.5 kg; Fly ash: 17.5 kg.

[0035] The redispersible latex powder is used to enhance the adhesiveness and cohesion of the mortar, thereby improving the connection strength with the brick body.

[0036] The polypropylene fiber is used to disperse in the mortar to form a fiber network, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body. <www.

[0037] The calcium chloride accelerates the hydration reaction of cement, thereby enhancing the early strength of the mortar.

[0038] The accelerator is used to accelerate the setting process of the mortar and shorten the initial setting and final setting times.

[0039] The fly ash is used to chemically react with cement to generate more hydration products, thereby enhancing the strength of the mortar.

[0040] Compared with the prior art, the mortar prepared in this embodiment has a higher connection strength with aerated concrete lightweight bricks, a faster setting speed, and better actual use effects.

[0041] Example 5 The present invention provides a special mortar for masonry of aerated concrete lightweight bricks, comprising the following components by weight: Gypsum powder: 600 kg; Heavy calcium powder: 450 kg; Washed sand: 110 kg; Vitrified microspheres: 150 kg; Gypsum retarder: 3 kg; Hydroxypropyl methylcellulose: 3 kg; Thixotropic lubricant: 1.5 kg; Wood cellulose: 2 kg; Redispersible polymer powder: 45 kg; Polypropylene fiber: 25 kg; Calcium chloride: 60 kg; Accelerator: 30 kg; Fly ash: 20 kg.

[0042] The redispersible polymer powder is used to enhance the bonding property and cohesion of the mortar, thereby improving the connection strength with the brick body.

[0043] The polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body.

[0044] The calcium chloride accelerates the hydration reaction of the cement, thereby improving the early strength of the mortar.

[0045] The accelerator is used to accelerate the setting process of the mortar, shortening the initial setting and final setting times.

[0046] The fly ash is used to chemically react with the cement to generate more hydration products, thereby improving the strength of the mortar.

[0047] Compared with the prior art, the mortar prepared in this embodiment has a higher connection strength with the aerated concrete lightweight brick, a faster setting speed, and better actual use effects.

[0048] The present invention comprises 500 - 600 kg of gypsum powder, 400 - 450 kg of heavy calcium powder, 100 - 110 kg of washed sand, 100 - 150 kg of vitrified microspheres, 1 - 3 kg of gypsum retarder, 2.5 - 3 kg of hydroxypropyl methylcellulose, 1 - 1.5 kg of thixotropic lubricant, 1 - 2 kg of lignocellulose, 30 - 45 kg of latex powder, 15 - 25 kg of polypropylene fiber, 40 - 60 kg of calcium chloride, 20 - 30 kg of accelerator, 10 - 20 kg of fly ash. The latex powder can enhance the bonding property and cohesion of the mortar, thereby improving the connection strength with the brick body. The polypropylene fiber can be dispersed in the mortar to form a fiber network, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick body. Calcium chloride accelerates the hydration reaction of cement, thereby enhancing the early strength of the mortar. The accelerator can accelerate the setting process of the mortar, shortening the initial setting and final setting times. Fly ash can undergo a chemical reaction with cement to generate more hydration products, thereby increasing the strength of the mortar. The mortar prepared by the present invention can set quickly and can form a high-strength connection with aerated concrete lightweight bricks, resulting in good practical application effects of the present invention.

[0049] Finally: The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A special mortar for laying aerated concrete lightweight bricks, characterized in that, Comprising components with the following weights: Gypsum powder 500 - 600 kg; Heavy calcium powder 400 - 450 kg; Washed sand 100 - 110 kg; Vitrified microspheres 100 - 150 kg; Gypsum retarder 1 - 3 kg; Hydroxypropyl methylcellulose 2.5 - 3 kg; Thixotropic lubricant 1 - 1.5 kg; Wood cellulose 1 - 2 kg; Redispersible polymer powder 30 - 45 kg; Polypropylene fiber 15 - 25 kg; Calcium chloride 40 - 60 kg; Accelerator 20 - 30 kg; Fly ash 10 - 20 kg.

2. The special mortar for laying aerated concrete lightweight bricks according to claim 1, characterized in that: The redispersible polymer powder is used to enhance the adhesion and cohesion of the mortar, thereby improving the connection strength with the brick.

3. The special mortar for laying aerated concrete lightweight bricks according to claim 1, characterized in that: The polypropylene fiber is used to disperse in the mortar to form a fiber mesh, increasing the crack resistance and toughness of the mortar, thereby improving the connection strength with the brick.

4. A special mortar for laying aerated concrete lightweight bricks according to claim 1, characterized in that: The calcium chloride accelerates the hydration reaction of the cement, thereby improving the early strength of the mortar.

5. The special mortar for laying aerated concrete lightweight bricks according to claim 1, characterized in that: The accelerator is used to accelerate the setting process of the mortar, shortening the initial setting and final setting times.

6. The special mortar for laying aerated concrete lightweight bricks according to claim 1, characterized in that: The fly ash is used to chemically react with the cement to generate more hydration products, thereby improving the strength of the mortar.